20-9= 18-2= 3+8= 15-2= 10+6= 5+12= 17+3= 20-5= 5+8= 18-5= 17-11= 13- 6= 16-10= 5-4= 9-5= 16-1= 7+10= 9-0= 18-1= 6+10= 4-0= 18-12= 17-17= 10+2= 10-10= 6-5= 16-14= 18-8= 13+4= 6-5= 15-13= 14+1= 2+6= 19-13= 12+7= 3+1= 13-3= 8-6= 0+18= 10+3= 15-3= 9-8= 11+5= 16+4= 12+5= 14+1= 10+8= 17-15= 12+3= 17-12= 1+17= 11+5= 5+8= 10+9= 5+2= 18-17= 11-10= 18-16= 14-2= 18-2= 14-13= 10-1= 15-2= 12-2= 2+18= 18-6= 16-1= 2+12= 5+11= 17-7= 5+1= 10-1= 12+5= 11-2= 15+1= 19-11= 10+9= 16-7= 2+15= 16-15= 15+3= 9-4= 20-1= 11-10= 6+8= 2+5= 2+6= 10+1= 20-3= 2+7= 19-6= 15-12= 9+1= 14-1= 5+2= 13+7= 19-4= 3+5= 17+3= 3+8= 8+4= 17+3= 17+3= 4+12= 14+3= 1+14= 1+5= 3+14= 13-3= 10+2= 9-8= 12-8= 2+5= 19-18= 14+3= 17-3= 9-4= 6+13= 13+5= 3+7= 12+3= 5+6= 17-1= 5+2= 7+7= 6+7= 12-11= 20-13= 13+6= 15-5= 20-1= 5+8= 18-12= 7+1= 20-6= 8+6= 3+13= 1+19= 17-16= 7+13= 9+5= 2+10= 1+12= 8+12= 11-10= 3+3= 3+17= 8+4= 8+2= 2-1= 1+4= 9+9= 17-15= 12+1= 6+7= 14-8= 13-11= 12-8= 10-4= 5+4= 11+8= 15-1= 7+10= 15-3= 16-1= 11-1= 11+4= 16-5= 7+1= 13-9= 12+5= 7+10= 9-3= 7+10= 3+4= 20-18= 3+7= 18-10= 14-10= 20-1= 18-2= 1+7= 2+13= 13+2= 6+3= 1+17= 1+14= 19-1= 6+9= 6-2= 12-2= 1+13= 6-5= 19-16= 2+15= 2+10= 8+8= 9+5= 5+2= 10+9= 8+7= 20-18= 19-5= 5+6= 20-3= 17-10= 1+16= 9+1= 9+10= 10-2= 18-17= 6+14= 18-8= 9+6= 8-6= 7-5= 13+2= 19-12= 11+9= 17-12= 16-4= 13-1= 16-8= 2+12= 2+8= 15-8= 19-16= 19-4= 14+3= 3+4= 19-17= 5-1= 15+5= 20-1= 19-10= 7-1= 6-3= 6+13= 11-3= 11+7= 10+4= 20-15= 17-7= 7-6= 19-16= 14+3= 5+8= 20-19= 5+13= 1+8= 9+7= 13-2= 9-1= 17-9= 6-1= 18-4= 3+5= 9+5= 13-1= 18-13= 12+8= 11+7= 6+7= 15-5= 16-5= 12-1= 4+5= 13+4= 5-2= 7-2= 5+3= 4+12= 15+5= 12+1= 3+7= 14-6= 7+8= 3+6= 16-6= 19-16= 20-9= 11-9= 13-7= 4+11= 1+18= 19-18= 7+13= 1+7= 13+2= 17-8= 17-7= ...